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In the ABO blood system, type O positive blood is common, about 36% of the population.
90% of the population is Kell negative.
So no, it is not rare.
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What type of blood do I have if my parents are A negative and B positive?
rare
Can parents with O positive and B positive blood give birth with A negative blood?
Actually it could happen if one of the parents was a chimera but the chances of that being the casewould be rare.
Can you have O Negative blood if your mother has O Positive and your dad has A Positive?
Yes, if the father's genotype is AO, and both of them have +- genotype. However, this would be very rare.
What blood types would your parents have to be to have a child with A positive blood type?
Discounting rare but possible mutations the following holds true. Parents blood groups A and A, A and B, A and O, B and B, B and O, O and O can produce type O blood in their children. The rhesus factor (Rhesus positive/rhesus negative) depends on the rhesus pairing in the parents as follows: Father rhesus positive, mother rhesus positive or rhesus negative = rhesus positive or rhesus negative Father rhesus negative, mother rhesus positive = rhesus positive or rhesus negative Father rhesus negative, mother rhesus negative = rhesus negative Example: A rhesus positive father and rhesus positive mother of blood type A and O respectively could produce an O positive child, as could a rhesus positive father and rhesus negative mother both of blood group O. Follow the link to an excellent site.
Is it rare for 3 of 5 kids to have o positive blood type and other 2 kids have a positive blood type with same parents?
no
Why is o negative blood group rare?
It is rare because only 15% of the world has O negative blood.
What type of blood do I have if my parents are A negative and B positive?
rare
Is ab blood type a positive?
yes there is but it is rare
Is AB positive a rare blood group?
Yes, less than 3% of the population. AB negative is rarer still.
Is it rare for an A positive parent and an O positive parent to have an A negative child?
It's rare, but can easily be explained by genetics. The A positive parent could be AA or AO for blood group, and the O positive parent would have to be OO for blood group. Both parents would have to be heterozygous for rh factor, Rh+ Rh- . So the A negative child would have to have inherited an A and O allele from the parents, and an Rh- allele from both parents. This gives the phenotype of A negative.
What blood is rare?
Having a rare blood group (such as AB negative) would make someone a rare blood donor.
Is a positive blood rare?
AB negative is the rarest.
Can an A negative parent and a A positive parent have a child who is AB negative blood type?
it can be rare only
What is the rarest blood type among humans?
AB Negative is the most rare of the 8 blood types. The full list of types is A, B, Ab,and O. Within that group there are both positive and negative groupings.
What blood type is rich or rare?
AB negative is the rarest blood type. AB positive is the second rarest blood type. The negative blood types are more rare than the positive. The common blood type is o.
What are rare blood types?
Rare blood types are O negative and AB negative. B negative and AB positive are also fairly rare blood types. O negative is known as the universal donor blood type because it is compatible with any other blood type.
Is 'a' negative a rare blood group?
O neg is the second rarest blood group (AB neg is the rarest). It is more valuable than rare, as it is a universal donor.
